Vending machine



FIG. 1 is a front right side perspective view of the vending machine orsimilar article showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevation view thereof; and,

FIG. 6 is a back elevation view thereof.

The ornamental design for a vending machine, as shown and described.